<div data-am-widget="gotop" class="am-gotop am-gotop-fixed">
    <a href="#top" title="回到顶部">
        <span class="am-gotop-title">回到顶部</span>
        <i class="am-gotop-icon am-icon-chevron-up"></i>
    </a>
</div>
<footer data-am-widget="footer" class="am-footer am-footer-default footer" data-am-footer="{  }">
    <div class="am-footer-miscs ">
        <p>Copyright©Yu Wang</p>
    </div>
</footer>
<style>
    .footer {
        color: #7f8c8d;
        margin: 0;
        padding: 15px 0;
        text-align: center;
    }
</style>